title: Endogenous opioid poisoning?
mesh_terms: D000818:Animals; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D009270:Naloxone / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects
chemical_list: D004723:Endorphins; D009270:Naloxone